| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Texas Instruments |
IC BATT PROT LI-ION 2CELL 8SON |
1053 |
|
 |
Zetex Semiconductors (Diodes Inc.) |
IC BATT PROT LI-ION 1CELL 6UDFN |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CELL SNT-6A |
0 |
|
 |
Sanyo Semiconductor/ON Semiconductor |
IC BATT PROT LI-ION 1CELL 6WDFN |
3497 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 2-3CL SNT-6A |
0 |
|
 |
Zetex Semiconductors (Diodes Inc.) |
IC BATT PROT LI-ION 1CELL SOT25 |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CEL SOT23-5 |
0 |
|
 |
Texas Instruments |
IC BATT FUEL GAUGE LICO2 9DSBGA |
2559 |
|
 |
Texas Instruments |
IC BATT PROT LI-ION 2-4CEL 8WSON |
996 |
|
 |
Texas Instruments |
IC BATT MON LI-ION 1CELL 8TSSOP |
4221 |
|
 |
Analog Devices, Inc. |
IC BATT MON LI-ION 1-6CEL 48LQFP |
7 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1-4CEL 8MSOP |
0 |
|
 |
Analog Devices, Inc. |
IC BAT PWR MGMT NIC CAD 1C 8SOIC |
0 |
|
 |
Texas Instruments |
IC GAS GAUGE MULT 28SSOP/QSOP |
0 |
|
 |
Zetex Semiconductors (Diodes Inc.) |
IC BATT PROT LI-ION 1CELL 6UDFN |
12000 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 3-4C 16TSSOP |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROTECTION 16TSSOP |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 3-4C 16TSSOP |
0 |
|
 |
Analog Devices, Inc. |
IC BATT MON MULT-CHEM 1C SOT23-3 |
2500 |
|
 |
Mitsumi Electric Company |
IC, ONE CELL, BATTERY PROTECTION |
0 |
|
Power Management Integrated Circuits (PMICs) with Battery Management functionality are specialized semiconductor devices designed to monitor, control, and optimize battery operations in electronic systems. These ICs handle critical tasks including charging control, discharge regulation, capacity monitoring, and safety protection. Their importance has grown exponentially with the proliferation of portable electronics, electric vehicles, and energy-harvesting systems, where battery efficiency and safety are paramount.
| Type | Functional Features | Application Examples |
|---|---|---|
| Battery Charge Management ICs | Support Li-ion/Polymer, NiMH, and lead-acid chemistries; implement CC/CV charging, thermal regulation | Smartphones, power banks |
| Fuel Gauge ICs | Impedance tracking, voltage-based SOC estimation, data logging | Laptops, medical devices |
| Battery Protection ICs | Overvoltage, overcurrent, short-circuit, and temperature protection | E-bikes, battery packs |
| Power Path Management ICs | Dynamic power distribution between charger and system load | Tablets, drones |
A typical PMIC Battery Management IC integrates:
Advanced packages (QFN, BGA) enable high integration while maintaining thermal performance.
| Parameter | Typical Range | Importance |
|---|---|---|
| Charging Current Range | 100mA - 5A | Determines charge speed and battery size compatibility |
| SOC Estimation Accuracy | 1-5% | Impacts runtime prediction reliability |
| Quiescent Current | 1-20 A | Crucial for standby power efficiency |
| Communication Speed | 400kHz - 3.4MHz (I2C) | Affects system responsiveness |
| Operating Temperature | -40 C to +125 C | Determines environmental robustness |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Texas Instruments | BQ25790 | Single-chip solution with USB PD 3.0, 3.5A charging |
| Analog Devices | MAX17055 | ModelGauge m3 algorithm, 60s runtime prediction |
| STMicroelectronics | STM32F051x | Cortex-M0 core with integrated Li-ion charger |
| NXP Semiconductors | PF1550 | PMIC for i.MX8 processors with dynamic voltage scaling |
Key considerations:
Example: For a 2-cell Li-ion notebook battery, select a multi-cell fuel gauge (e.g., BQ30z55) with SHA-256 authentication and PC companion software support.